AQSQID: 040190011

Site Name: Orange Grove

Location: Marana, AZ

Reporting: True, Located: True

Current AQI: 20.0

Marana AZ, US: 32.322573, -111.037709

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -1.0 μg/m3 (0) 13.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 1.0 μg/m3 (4) 20.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 2.0 μg/m3 (8) 32.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) -1.0 μg/m3 (0) 11.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 3.0 μg/m3 (12) 21.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 2.0 μg/m3 (8) 37.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 3.0 μg/m3 (12) 40.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 2.0 μg/m3 (8) 19.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 2.0 μg/m3 (8) 17.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) -1.0 μg/m3 (0) 16.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) N/A 8.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -3.0 μg/m3 (0) 9.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 18.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 18.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 1.0 μg/m3 (4) 23.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 0.0 μg/m3 (0) 21.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 1.0 μg/m3 (4) 13.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 91.0 μg/m3 (68) 5.0 μg/m3 (21) 68.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 2.0 μg/m3 (8) 42.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 4.0 μg/m3 (17) 39.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 6.0 μg/m3 (25) 52.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 5.0 μg/m3 (21) 45.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 3.0 μg/m3 (12) 21.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) -1.0 μg/m3 (0) 17.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 2.0 μg/m3 (8) 22.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 14.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 0.0 μg/m3 (0) 20.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) -1.0 μg/m3 (0) 21.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 2.0 μg/m3 (8) 17.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 4.0 μg/m3 (17) 34.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) -1.0 μg/m3 (0) 14.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 14.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0